feat: Login View, Signup View

Description

Login view (Task #9 (closed) Week 1) :

• Removed the .xcuserstate from git.
• Updated readme.
• Added dual previews (iPhone 11&8).
• Added custom gradient shape.
• Used inbuilt AppleID in UIKit in SwiftUI view.
• Created custom corner shape that can be applied to any Shape.
• Add Textfield (Username) and SecureField (Password).
• Added Keyboard Observers.
• Animations with Username, Password field.
• Sign Up View

closes #9 (closed)

UI Changes

Type of change

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

• Unit Test

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented on my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes